Choose the thermochemical equation that illustrates delta h degree f for MgCO3 (
ID: 552160 • Letter: C
Question
Choose the thermochemical equation that illustrates delta h degree f for MgCO3 (s). Explain why the answers are correct or incorrect and how you go the right answer. A. Mg^2+(aq) + CO3^2- (aq) —> MgCO3 (s) B. Mg(s) + C(s, graphite) + 3 O^2-(aq) —> MgCO3 (s) C. MgCO3(s) —> Mg(s) + C(s, graphite) + 3 O^2-(g) D. 2 MgCO3(s) —> 2 Mg(s) + 2 C(s, graphite) + 3 O2(g) E. Mg(s) + C(s, graphite) + 3/2 O2(g) —> MgCO3(s)Choose the thermochemical equation that illustrates delta h degree f for MgCO3 (s). Explain why the answers are correct or incorrect and how you go the right answer. A. Mg^2+(aq) + CO3^2- (aq) —> MgCO3 (s) B. Mg(s) + C(s, graphite) + 3 O^2-(aq) —> MgCO3 (s) C. MgCO3(s) —> Mg(s) + C(s, graphite) + 3 O^2-(g) D. 2 MgCO3(s) —> 2 Mg(s) + 2 C(s, graphite) + 3 O2(g) E. Mg(s) + C(s, graphite) + 3/2 O2(g) —> MgCO3(s)
Choose the thermochemical equation that illustrates delta h degree f for MgCO3 (s). Explain why the answers are correct or incorrect and how you go the right answer. A. Mg^2+(aq) + CO3^2- (aq) —> MgCO3 (s) B. Mg(s) + C(s, graphite) + 3 O^2-(aq) —> MgCO3 (s) C. MgCO3(s) —> Mg(s) + C(s, graphite) + 3 O^2-(g) D. 2 MgCO3(s) —> 2 Mg(s) + 2 C(s, graphite) + 3 O2(g) E. Mg(s) + C(s, graphite) + 3/2 O2(g) —> MgCO3(s)
Explanation / Answer
answer: E. Mg(s) + C(s, graphite) + 3/2 O2(g) —> MgCO3(s)
enthalpy of formation equation is represented by the formation of a compound from its basic constituents elemental state.